The Shimano Ultegra Di2 8170 Shifter/Brake combination can be purchased with a either a left or right shifter to correspond with the front or rear brake. The new Ultegra Di2 wireless shifters are more comfortable than ever with redesigned ergonomics, so your hands are always in the right place. Brake modulation is more precise than ever and wireless shifting lets you focus entirely on riding. With the Shimano Di2 Ultegra Shifter, you can count on a clean and easy to use cockpit.
The shifter is paired with an assembled flat mount brake caliper. The brake and caliper are made with lightweight aluminum to remain durable while keeping the low weight theme of your road bike. The brake is extremely reliable in terms of stopping power, modulation, and heat dissipation. Both the shifter and brake have been updated to create a more aerodynamic ride. The Shimano Ultegra Di2 8170 Shifter/Lever Combo gives you a clean cockpit and reliable stopping power.